TY - JOUR AU - Arrondo Esteban, Enrique AU - Lanteri, Antonio AU - Novelli, Carla PY - 2013 DO - 10.2996/kmj/1364562725 SN - 0386-5991 UR - https://hdl.handle.net/20.500.14352/33337 T2 - Kodai Mathematical Journal AB - A notion of "delta-genus" for ample vector bundles g of rank two on a smooth projective threefold X is defined as a couple of integers (delta(1),delta(2)).This extends the classical definition holding for ample line bundles. Then pairs (X, epsilon)... M2 - 137 PB - Department of Mathematics, Tokyo Institute of Technology KW - Ample vector bundles KW - Grassmannian of lines KW - special varieties KW - Delta-genus KW - classification TI - A notion of delta-multigenus for certain rank two ample vector bundles TY - journal article VL - 36 ER -